.landing-box {
    position: relative;
    width: 100%;
    height: 100%;
    background: #E6E6E6;
    padding: 12px 0;
    overflow: scroll
}

.landing-head-title {
    color: #0088f5;
    font-size: 32px;
    line-height: 1.2;
    text-align: center
}

.landing-head-main {
    margin: 0 auto;
    font-size: 14px;
    color: #484e57;
    text-align: center
}

.landing-head-goback {
    position: absolute;
    right: 10px;
    top: 10px;
    width: 30px;
    height: 30px;
    padding: 5px
}

.landing-head-goback svg {
    width: 100%;
    height: 100%
}

.landing-video-main {
    width: 210px;
    height: 375px;
    overflow: hidden;
    border-radius: 12px;
    margin: 10px auto 0
}

.landing-tabs {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column
}

.landing-tab-pane {
    display: inline-block
}

.landing-tab-nav {
    display: flex;
    margin-top: 3px
}

.landing-tab-nav .landing-tab-item {
    flex: 1;
    width: 32%;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(0, 0, 0, .12);
    font-size: 14px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    color: #84c9ff;
    text-align: center;
    padding: 0 10px;
    margin: 0 4px
}

.landing-tab-nav .landing-tab-item img {
    height: 65%;
    object-fit: cover
}

.landing-tab-nav .landing-tab-item-active {
    background: #F8F8F8;
    color: #464646;
    box-shadow: inset;
    box-shadow: 0 1px 5px 3px #0003;
    position: relative;
    bottom: -2px
}

.landing-tab-content {
    box-sizing: border-box;
    position: relative;
    left: 0;
    width: 100%;
    min-height: 200px;
    flex: 1;
    background: #F8F8F8
}

.landing-tab-content .landing-tab-item {
    padding: 30px 20px;
    display: none
}

.landing-tab-content .landing-tab-item-active {
    display: block;
    overflow: scroll
}

.landing-tabs-box {
    position: sticky;
    top: -15px;
    width: 100%;
    margin-top: 10px;
    overflow: hidden
}

.landing-tab-border {
    height: 2px;
    width: 100%;
    box-shadow: 0 1px 5px 3px #0000004d;
    background-color: #0000004d
}

.landing-text-item {
    font-size: 14px;
    color: #484e57;
    line-height: 24px
}

.landing-text-item-tag {
    display: inline-block;
    padding: 0 10px;
    border-radius: 12px;
    background: #0088F5;
    color: #fff;
    margin-right: 8px
}

.landing-img-item {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    justify-content: space-around;
    margin-bottom: 30px
}

.landing-img-item img {
    width: 50%
}

.landing-tab-item-content-title {
    margin: 10px 10px 25px;
    padding: 12px;
    border: 2px solid #ff984d;
    border-radius: 16px;
    font-size: 16px;
    text-align: center;
    line-height: 1.5;
    color: #ff984d
}

.landing-tab-item-content-title-top {
    font-size: 22px;
    margin-bottom: 16px
}

.video-box {
    width: 100%;
    height: 100%;
    position: relative
}

video {
    width: 100%;
    height: 100%
}

.icon_start {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 50px;
    height: 50px
}